Finding the Fourth Proportional to 1,282,272.62, 1,769,382.07 and 738,585.23
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Solution
The fourth proportional to 1,282,272.62, 1,769,382.07 and 738,585.23 is: 1,019,158.83
Step by Step Solution
- Step 1: Write the proportion equation
1,282,272.62 : 1,769,382.07 = 738,585.23 : x - Step 2: Convert to fraction form
1,282,272.62/1,769,382.07 = 738,585.23/x - Step 3: Cross multiply
1,282,272.62x = 1,769,382.07 × 738,585.23 - Step 4: Simplify right side
1,282,272.62x = 1,306,839,463,128.83 - Step 5: Solve for x
x = 1,306,839,463,128.83/1,282,272.62 - Step 6: Final answer
x = 1,019,158.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.